#366DC1#366DC1

#366DC1 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.1% C 0.144 H 258.7°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#366DC1
RGBrgb(54, 109, 193)
HSLhsl(216, 56%, 48%)
HSVhsv(216, 72%, 76%)
CMYKcmyk(72%, 43.5%, 0%, 24.3%)
CIE-LABlab(46.41, 10.57, -49.31)
CIE-LCHlch(46.41, 50.43, 282.09°)
OKLaboklab(54.11% -0.0281 -0.141)
OKLCHoklch(54.11% 0.144 258.7)
XYZxyz(16.6121, 15.5700, 52.5716)
Luminance0.1557 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#366DC1 #C18A36
analogous
#36B2C1 #366DC1 #4436C1
triadic
#366DC1 #C1366D #6DC136
tetradic
#366DC1 #C136B2 #C18A36 #36C144
square
#366DC1 #C136B2 #C18A36 #36C144
split-complementary
#366DC1 #C14436 #B2C136
monochromatic
#1B3761 #295291 #366DC1 #618ED3 #91B0E0

Accessibility & contrast

On white

5.10
#366DC1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.11
#366DC1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DC1
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##366DC1#FFFFFF#000000##FFFFFF
##366DC11.005.104.115.10
#FFFFFF5.101.0021.001.00
#0000004.1121.001.0021.00
##FFFFFF5.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4475C4
Deuteranopia (green-blind)
#2A68BF
Tritanopia (blue-blind)
#00818D
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #366dc1;
/* rgb */ color: rgb(54, 109, 193);
/* oklch */ color: oklch(54.1% 0.144 258.7);
Tailwind
colors: {
  custom: {
    50: '#7e96d4',
    500: '#366dc1',
    950: '#000000',
  },
}
SCSS
$custom: #366dc1;
$custom-light: #7e96d4;
$custom-dark: #000000;
JSON
{
  "hex": "#366dc1",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 193
  },
  "hsl": {
    "h": 216.259,
    "s": 56.275,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54111,
    "c": 0.14381,
    "h": 258.7
  },
  "luminance": 0.15572
}

Semantic roles & 50–950 ramp

primary
#366DC1
secondary
#CBB088
accent
#A448E0
background
#F8F9FD
surface
#EFF1FA
border
#CACBD3
text
#0B0D14
muted
#7C7E83

Preview Lab

Preview with #366DC1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#366DC1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva